The overturning caisson
Construction method reconsidered
B.P. Korff (TU Delft - Civil Engineering & Geosciences)
AQC van der Horst – Graduation committee member
Jarit de Gijt – Graduation committee member
Bert Everts – Graduation committee member
Leon Groenewegen – Graduation committee member
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Abstract
The construction method of an overturning caisson is reconsidered. This particular self-floating caisson was applied for several caisson quay wall projects over a century ago. After the year 1914, the design was abandoned. After this time, rectangular caissons became more economical due to higher qualities, simplified formwork and easier transport. However, the caisson geometry allows efficient material use and a relatively low draught during transport. When the concept is considered for current quay wall projects, these benefits are still present. However, the magnitude of these benefits reduced significantly. When other aspects, such as construction technologies are included, the remaining economic benefits are estimated to become negligible. The economic feasibility of an overturning caisson could therefore not be demonstrated.